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本文介绍一个用于煤饼装箱机械手电气故障的专家诊断系统。专家诊断系统与机械手控制系统通过信号联络线同步运行,能够实时、在线地检测和诊断步进电机的驱动电路。专家诊断系统以单片机8031为核心,采用产生式规则建立知识库,用广度优先搜索法进行向后推理,运用并行推理方式提高搜索速度。样机运行结果表明,专家诊断系统达到了设计要求。
This article presents an expert diagnostic system for briquetting robot electrical faults. Expert diagnostic system and robot control system through the signal contact line synchronous operation, real-time, online detection and diagnosis of stepper motor drive circuit. The expert diagnosis system takes the single-chip microcomputer 8031 as the core, uses the generative rules to establish the knowledge base, uses the breadth-first search method for backward reasoning, and uses the parallel inference method to improve the search speed. The prototype results show that the expert diagnosis system meets the design requirements.